- an unofficial title held by a horse that wins the Kentucky Derby, the Preakness, and the Belmont Stakes in a single season.
- a usually unofficial title held by someone who wins three major awards or championships in the same year.
- the Pope's tiara
- the winning of three important races in one season
- a victory by Scotland, England, Wales, or Ireland in all three games against the others in the annual Six (formerly, Five) Nations Championship